package com.jqk.mybatis.plus.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.injector.AbstractMethod;
import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
import com.baomidou.mybatisplus.core.metadata.TableInfo;
import com.baomidou.mybatisplus.extension.injector.methods.InsertBatchSomeColumn;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.List;


/**
 * @Author:jiangqikun
 * @Date:2022/8/22 20:18
 **/

@Configuration
public class MybatisPlusConfig {

    /**
     * 新的分页插件,一缓和二缓遵循mybatis的规则,需要设置 MybatisConfiguration#useDeprecatedExecutor = false 避免缓存出现问题(该属性会在旧插件移除后一同移除)
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }

    /**
     * mybatis 批量更新
     */
    @Bean
    public MySqlInjector mySqlInjector(){
        return new MySqlInjector();
    }

    static class MySqlInjector extends DefaultSqlInjector {
         @Override
         public List<AbstractMethod> getMethodList(Class<?> mapperClass, TableInfo tableInfo) {
             List<AbstractMethod> methodList = super.getMethodList(mapperClass, tableInfo);
             methodList.add(new InsertBatchSomeColumn());
             return methodList;
         }
     }

}
